remove unused fOverflowed from SkClampRange

tests/ClampRangeTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRandom.h"
 #include "Test.h"
 #include "gradients/SkClampRange.h"
@@ skipping 32 matching lines @@
     return 0;
 }
 
 #define V0  -42
 #define V1  1024
 
 static void slow_check(const SkClampRange& range,
                        SkFixed fx, SkFixed dx, int count) {
     SkASSERT(range.fCount0 + range.fCount1 + range.fCount2 == count);
 
-    int i;
-    if (range.fOverflowed) {
-        fx = range.fFx1;
-        for (i = 0; i < range.fCount1; i++) {
-            R_ASSERT(fx >= 0 && fx <= 0xFFFF);
-            fx += dx;
-        }
-    } else {
-        for (i = 0; i < range.fCount0; i++) {
-            int v = classify_value(fx, V0, V1);
-            R_ASSERT(v == range.fV0);
-            fx += dx;
-        }
-        if (range.fCount1 > 0 && fx != range.fFx1) {
-            SkDebugf("%x %x\n", fx, range.fFx1);
-            R_ASSERT(false); // bad fFx1
-            return;
-        }
-        for (i = 0; i < range.fCount1; i++) {
-            R_ASSERT(fx >= 0 && fx <= 0xFFFF);
-            fx += dx;
-        }
-        for (i = 0; i < range.fCount2; i++) {
-            int v = classify_value(fx, V0, V1);
-            R_ASSERT(v == range.fV1);
-            fx += dx;
-        }
+    for (int i = 0; i < range.fCount0; i++) {
+        int v = classify_value(fx, V0, V1);
+        R_ASSERT(v == range.fV0);
+        fx += dx;
+    }
+    if (range.fCount1 > 0 && fx != range.fFx1) {
+        SkDebugf("%x %x\n", fx, range.fFx1);
+        R_ASSERT(false); // bad fFx1
+        return;
+    }
+    for (int i = 0; i < range.fCount1; i++) {
+        R_ASSERT(fx >= 0 && fx <= 0xFFFF);
+        fx += dx;
+    }
+    for (int i = 0; i < range.fCount2; i++) {
+        int v = classify_value(fx, V0, V1);
+        R_ASSERT(v == range.fV1);
+        fx += dx;
     }
 }
 
 
 static void test_range(SkFixed fx, SkFixed dx, int count) {
     SkClampRange range;
     range.init(fx, dx, count, V0, V1);
     slow_check(range, fx, dx, count);
 }
 
@@ skipping 29 matching lines @@
     }
 
     // test overflow cases
     for (int i = 0; i < 100000; i++) {
         SkFixed fx = rand.nextS();
         SkFixed dx = rand.nextS();
         int count = rand.nextU() % 1000 + 1;
         test_range(fx, dx, count);
     }
 }